Home / 396,578,405.60-594,867,608.40-320,050,901.60

Finding the Fourth Proportional to 396,578,405.60, 594,867,608.40 and 320,050,901.60

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Solution

The fourth proportional to 396,578,405.60, 594,867,608.40 and 320,050,901.60 is: 480,076,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,578,405.60 : 594,867,608.40 = 320,050,901.60 : x
  2. Step 2: Convert to fraction form
    396,578,405.60/594,867,608.40 = 320,050,901.60/x
  3. Step 3: Cross multiply
    396,578,405.60x = 594,867,608.40 × 320,050,901.60
  4. Step 4: Simplify right side
    396,578,405.60x = 190,387,914,401,055,744
  5. Step 5: Solve for x
    x = 190,387,914,401,055,744/396,578,405.60
  6. Step 6: Final answer
    x = 480,076,352.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.